Dell PowerConnect 8024 User manual

Dell PowerConnect
8024, 8024F, 8132, 8132F, 8164,
and 8164F Switch
User’s Configuration
Guide
Regulatory Models: PC8024, PC8024F,
PC8132, PC8132F, PC8164, PC8164F

Notes and Cautions
NOTE: A NOTE indicates important information that helps you make better use of
your computer.
CAUTION: A CAUTION indicates potential damage to hardware or loss of data if
instructions are not followed.
____________
Information in this publication is subject to change without notice.
© 2012 Dell Inc. All rights reserved.
Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc.
is strictly forbidden.
Trademarks used in this text: Dell™, the DELL logo, EqualLogic™, PowerConnect™, and
OpenManage™ are trademarks of Dell Inc. Microsoft®, Windows®, Windows Server®, MS-DOS®,
and Windows Vista®are either trademarks or registered trademarks of Microsoft Corporation in the
United States and/or other countries. sFlow®is a registered trademark of InMon Corporation. Cisco®
is a registered trademark of Cisco Systems. Mozilla®and Firefox®are registered trademarks of the
Mozilla Foundation.
Other trademarks and trade names may be used in this publication to refer to either the entities claiming
the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and
trade names other than its own.
Regulatory Models: PC8024, PC8024F, PC8132, PC8132F, PC8164, PC8164F
June 2012 Rev. A03

Contents 3
Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . 49
About This Document . . . . . . . . . . . . . . . . . . 49
Audience . . . . . . . . . . . . . . . . . . . . . . . . . 50
Document Conventions . . . . . . . . . . . . . . . . . 50
Additional Documentation. . . . . . . . . . . . . . . . 51
2 Switch Features . . . . . . . . . . . . . . . . . . . 53
System Management Features . . . . . . . . . . . . . 54
Multiple Management Options . . . . . . . . . . . 54
System Time Management . . . . . . . . . . . . . 54
Log Messages . . . . . . . . . . . . . . . . . . . 54
Integrated DHCP Server . . . . . . . . . . . . . . 55
Management of Basic Network Information . . . . 55
IPv6 Management Features . . . . . . . . . . . . 55
Dual Software Images . . . . . . . . . . . . . . . 55
File Management . . . . . . . . . . . . . . . . . . 56
Switch Database Management Templates. . . . . 56
Automatic Installation of Firmware and
Configuration . . . . . . . . . . . . . . . . . . . . 56
sFlow . . . . . . . . . . . . . . . . . . . . . . . . 57
SNMP Alarms and Trap Logs . . . . . . . . . . . . 57
CDP Interoperability through ISDP . . . . . . . . . 57
Remote Monitoring (RMON) . . . . . . . . . . . . 57
Stacking Features . . . . . . . . . . . . . . . . . . . . 58
High Port Count . . . . . . . . . . . . . . . . . . . 58

4Contents
Single IP Management . . . . . . . . . . . . . . . 58
Automatic Firmware Update for New Stack M
embers . . . . . . . . . . . . . . . . . . . . . . . 58
Master Failover with Transparent Transition . . . . 59
Nonstop Forwarding on the Stack . . . . . . . . . 59
Hot Add/Delete and Firmware
Synchronization . . . . . . . . . . . . . . . . . . . 59
Security Features . . . . . . . . . . . . . . . . . . . . 59
Configurable Access and Authentication
Profiles . . . . . . . . . . . . . . . . . . . . . . . 59
Password-Protected Management Access . . . . 60
Strong Password Enforcement . . . . . . . . . . . 60
TACACS+ Client . . . . . . . . . . . . . . . . . . . 60
RADIUS Support . . . . . . . . . . . . . . . . . . 60
SSH/SSL. . . . . . . . . . . . . . . . . . . . . . . 61
Inbound Telnet Control . . . . . . . . . . . . . . . 61
Denial of Service . . . . . . . . . . . . . . . . . . 61
Port Protection . . . . . . . . . . . . . . . . . . . 61
Captive Portal . . . . . . . . . . . . . . . . . . . . 62
Dot1x Authentication (IEEE 802.1X) . . . . . . . . . 62
MAC-Based 802.1X Authentication . . . . . . . . . 62
Dot1x Monitor Mode . . . . . . . . . . . . . . . . 63
MAC-Based Port Security . . . . . . . . . . . . . 63
Access Control Lists (ACL) . . . . . . . . . . . . . 63
Time-Based ACLs . . . . . . . . . . . . . . . . . . 64
IP Source Guard (IPSG). . . . . . . . . . . . . . . 64
DHCP Snooping . . . . . . . . . . . . . . . . . . . 64
Dynamic ARP Inspection . . . . . . . . . . . . . . 64
Protected Ports (Private VLAN Edge). . . . . . . . 65
Switching Features . . . . . . . . . . . . . . . . . . . 65
Flow Control Support (IEEE 802.3x) . . . . . . . . . 65
Head of Line Blocking Prevention . . . . . . . . . 65
Alternate Store and Forward (ASF). . . . . . . . . 65

Contents 5
Jumbo Frames Support . . . . . . . . . . . . . . . 66
Auto-MDI/MDIX Support . . . . . . . . . . . . . . 66
VLAN-Aware MAC-based Switching. . . . . . . . 66
Back Pressure Support . . . . . . . . . . . . . . . 66
Auto Negotiation . . . . . . . . . . . . . . . . . . 67
Broadcast Storm Control . . . . . . . . . . . . . . 67
Port Mirroring. . . . . . . . . . . . . . . . . . . . 67
Static and Dynamic MAC Address Tables . . . . . 68
Link Layer Discovery Protocol (LLDP) . . . . . . . 68
Link Layer Discovery Protocol (LLDP) for
Media Endpoint Devices . . . . . . . . . . . . . . 68
Priority-based Flow Control (PFC) . . . . . . . . . 68
Data Center Bridging Exchange (DBCx)
Protocol . . . . . . . . . . . . . . . . . . . . . . . 69
Enhanced Transmission Selection . . . . . . . . . 69
Fibre Channel over Ethernet (FCoE)
Initialization Protocol Snooping . . . . . . . . . . 69
Cisco Protocol Filtering . . . . . . . . . . . . . . . 70
DHCP Layer 2 Relay. . . . . . . . . . . . . . . . . 70
Virtual Local Area Network Supported Features . . . . 70
VLAN Support. . . . . . . . . . . . . . . . . . . . 70
Port-Based VLANs . . . . . . . . . . . . . . . . . 70
IP Subnet-based VLAN . . . . . . . . . . . . . . . 71
MAC-based VLAN . . . . . . . . . . . . . . . . . 71
IEEE 802.1v Protocol-Based VLANs . . . . . . . . 71
GARP and GVRP Support . . . . . . . . . . . . . . 71
Voice VLAN . . . . . . . . . . . . . . . . . . . . . 71
Guest VLAN . . . . . . . . . . . . . . . . . . . . . 72
Double VLANs . . . . . . . . . . . . . . . . . . . 72
Spanning Tree Protocol Features . . . . . . . . . . . . 73
Spanning Tree Protocol (STP) . . . . . . . . . . . 73
Spanning Tree Port Settings . . . . . . . . . . . . 73
Rapid Spanning Tree . . . . . . . . . . . . . . . . 73

6Contents
Multiple Spanning Tree . . . . . . . . . . . . . . . 73
Bridge Protocol Data Unit (BPDU) Guard. . . . . . 74
BPDU Filtering . . . . . . . . . . . . . . . . . . . 74
Link Aggregation Features . . . . . . . . . . . . . . . . 74
Link Aggregation . . . . . . . . . . . . . . . . . . 74
Link Aggregate Control Protocol (LACP) . . . . . . 74
Routing Features . . . . . . . . . . . . . . . . . . . . . 76
Address Resolution Protocol (ARP) Table
Management . . . . . . . . . . . . . . . . . . . . 76
VLAN Routing . . . . . . . . . . . . . . . . . . . . 76
IP Configuration . . . . . . . . . . . . . . . . . . . 76
Open Shortest Path First (OSPF) . . . . . . . . . . 76
BOOTP/DHCP Relay Agent . . . . . . . . . . . . . 77
IP Helper and UDP Relay . . . . . . . . . . . . . . 77
Routing Information Protocol . . . . . . . . . . . . 77
Router Discovery . . . . . . . . . . . . . . . . . . 77
Routing Table . . . . . . . . . . . . . . . . . . . . 77
Virtual Router Redundancy Protocol (VRRP) . . . . 78
Tunnel and Loopback Interfaces . . . . . . . . . . 78
IPv6 Routing Features . . . . . . . . . . . . . . . . . . 78
IPv6 Configuration . . . . . . . . . . . . . . . . . 78
IPv6 Routes . . . . . . . . . . . . . . . . . . . . . 79
OSPFv3 . . . . . . . . . . . . . . . . . . . . . . . 79
DHCPv6 . . . . . . . . . . . . . . . . . . . . . . . 79
Quality of Service (QoS) Features . . . . . . . . . . . . 80
Differentiated Services (DiffServ) . . . . . . . . . 80
Class Of Service (CoS) . . . . . . . . . . . . . . . 80
Auto Voice over IP (VoIP) . . . . . . . . . . . . . . 80
Internet Small Computer System Interface
(iSCSI) Optimization . . . . . . . . . . . . . . . . . 81

Contents 7
Layer 2 Multicast Features . . . . . . . . . . . . . . . 81
MAC Multicast Support. . . . . . . . . . . . . . . 81
IGMP Snooping . . . . . . . . . . . . . . . . . . . 81
IGMP Snooping Querier . . . . . . . . . . . . . . 82
MLD Snooping . . . . . . . . . . . . . . . . . . . 82
Multicast VLAN Registration . . . . . . . . . . . . 82
Layer 3 Multicast Features . . . . . . . . . . . . . . . 83
Distance Vector Multicast Routing Protocol . . . . 83
Internet Group Management Protocol . . . . . . . 83
IGMP Proxy . . . . . . . . . . . . . . . . . . . . . 83
Protocol Independent Multicast—
Dense Mode . . . . . . . . . . . . . . . . . . . . 83
Protocol Independent Multicast—
Sparse Mode . . . . . . . . . . . . . . . . . . . . 84
Protocol Independent Multicast—Source
Specific Multicast . . . . . . . . . . . . . . . . . 84
Protocol Independent Multicast IPv6 Support . . . 84
MLD/MLDv2 (RFC2710/RFC3810) . . . . . . . . . . 84
3 Hardware Overview. . . . . . . . . . . . . . . . . 85
PowerConnect 8000-series and 8100-series
Front Panel . . . . . . . . . . . . . . . . . . . . . . . . 85
PowerConnect 8024 Front Panel . . . . . . . . . . 85
PowerConnect 8024F Front Panel . . . . . . . . . 86
PowerConnect 8132 Front Panel . . . . . . . . . . 87
PowerConnect 8132F Front Panel . . . . . . . . . 87
PowerConnect 8164 Front Panel . . . . . . . . . . 88
PowerConnect 8164F Front Panel . . . . . . . . . 89
Hot-Pluggable Interface Modules . . . . . . . . . 90
USB Port (Power Connect 8100-series
switches only) . . . . . . . . . . . . . . . . . . . 92
Port and System LEDs . . . . . . . . . . . . . . . 92

8Contents
PowerConnect 8000-series and 8100-series
Back Panel . . . . . . . . . . . . . . . . . . . . . . . . 92
Console Port . . . . . . . . . . . . . . . . . . . . 93
Out-of-Band Management Port. . . . . . . . . . . 93
Power Supplies . . . . . . . . . . . . . . . . . . . 93
Ventilation System . . . . . . . . . . . . . . . . . 94
LED Definitions . . . . . . . . . . . . . . . . . . . . . . 95
Port LEDs . . . . . . . . . . . . . . . . . . . . . . 95
System LEDs . . . . . . . . . . . . . . . . . . . . 96
Switch Addresses . . . . . . . . . . . . . . . . . . . . 97
4 Using Dell OpenManage Switch
Administrator . . . . . . . . . . . . . . . . . . . . 101
About Dell OpenManage Switch Administrator. . . . 101
Starting the Application . . . . . . . . . . . . . . . . 102
Understanding the Interface . . . . . . . . . . . . . . 103
Defining Fields . . . . . . . . . . . . . . . . . . . . . 105
Understanding the Device View . . . . . . . . . . . . 106
Using the Device View Port Features. . . . . . . 106
5 Using the Command-Line Interface . . . . 107
Accessing the Switch Through the CLI . . . . . . . . 107
Console Connection. . . . . . . . . . . . . . . . 107
Telnet Connection. . . . . . . . . . . . . . . . . 108

Contents 9
Understanding Command Modes . . . . . . . . . . . . 109
Entering CLI Commands . . . . . . . . . . . . . . . . . 111
Using the Question Mark to Get Help . . . . . . . 111
Using Command Completion . . . . . . . . . . . . 112
Entering Abbreviated Commands . . . . . . . . . 112
Negating Commands . . . . . . . . . . . . . . . . 112
Understanding Error Messages . . . . . . . . . . 113
Recalling Commands from the History Buffer . . . 113
6 Default Settings. . . . . . . . . . . . . . . . . . . 115
7 Setting the IP Address and Other
Basic Network Information . . . . . . . . . . 119
IP Address and Network Information Overview . . . . 119
What Is the Basic Network Information? . . . . . 119
Why Is Basic Network Information Needed? . . . 120
How Is Basic Network Information
Configured? . . . . . . . . . . . . . . . . . . . . . 121
What Is Out-of-Band Management and
In-Band Management? . . . . . . . . . . . . . . . 121
Default Network Information . . . . . . . . . . . . . . 123
Configuring Basic Network Information (Web) . . . . . 124
Out-of-Band Interface . . . . . . . . . . . . . . . 124
IP Interface Configuration (Default VLAN
IP Address) . . . . . . . . . . . . . . . . . . . . . 125
Route Entry Configuration (Switch Default
Gateway) . . . . . . . . . . . . . . . . . . . . . . 126
Domain Name Server. . . . . . . . . . . . . . . . 128
Default Domain Name . . . . . . . . . . . . . . . 129
Host Name Mapping . . . . . . . . . . . . . . . . 130

10 Contents
Dynamic Host Name Mapping . . . . . . . . . . 131
Configuring Basic Network Information (CLI). . . . . 132
Enabling the DHCP Client on the OOB Port . . . . 132
Enabling the DHCP Client on the Default
VLAN . . . . . . . . . . . . . . . . . . . . . . . 132
Managing DHCP Leases . . . . . . . . . . . . . 133
Configuring Static Network Information on the
OOB Port . . . . . . . . . . . . . . . . . . . . . 134
Configuring Static Network Information on the
Default VLAN . . . . . . . . . . . . . . . . . . . 134
Configuring and Viewing Additional Network
Information . . . . . . . . . . . . . . . . . . . . 135
Basic Network Information Configuration
Example . . . . . . . . . . . . . . . . . . . . . . . . 136
8 Managing QSFP Ports . . . . . . . . . . . . . . 139
9 Managing a Switch Stack . . . . . . . . . . . 141
Stacking Overview . . . . . . . . . . . . . . . . . . . 141
Creating a PowerConnect 8000/8100 Series
Stack . . . . . . . . . . . . . . . . . . . . . . . 142
How is the Stack Master Selected? . . . . . . . 144
Adding a Switch to the Stack . . . . . . . . . . . 145
Removing a Switch from the Stack . . . . . . . . 146
How is the Firmware Updated on the Stack?. . . 147
What is Stacking Standby? . . . . . . . . . . . . 147
What is Nonstop Forwarding? . . . . . . . . . . 147
Switch Stack MAC Addressing and Stack
Design Considerations . . . . . . . . . . . . . . 150
NSF Network Design Considerations. . . . . . . 151
Why is Stacking Needed? . . . . . . . . . . . . 151

Contents 11
Default Stacking Values . . . . . . . . . . . . . . . . . 152
Managing and Monitoring the Stack (Web). . . . . . . 153
Unit Configuration . . . . . . . . . . . . . . . . . 153
Stack Summary . . . . . . . . . . . . . . . . . . . 155
Stack Firmware Synchronization . . . . . . . . . . 156
Supported Switches . . . . . . . . . . . . . . . . 157
Stack Port Summary . . . . . . . . . . . . . . . . 158
Stack Port Counters . . . . . . . . . . . . . . . . 159
Stack Port Diagnostics . . . . . . . . . . . . . . . 159
NSF Summary. . . . . . . . . . . . . . . . . . . . 160
Checkpoint Statistics . . . . . . . . . . . . . . . . 161
Managing the Stack (CLI) . . . . . . . . . . . . . . . . 162
Configuring Stack Member, Stack Port, and
NSF Settings . . . . . . . . . . . . . . . . . . . . 162
Viewing and Clearing Stacking and NSF
Information . . . . . . . . . . . . . . . . . . . . . 164
Stacking and NSF Usage Scenarios. . . . . . . . . . . 164
Basic Failover. . . . . . . . . . . . . . . . . . . . 166
Preconfiguring a Stack Member . . . . . . . . . . 168
NSF in the Data Center . . . . . . . . . . . . . . . 170
NSF and VoIP . . . . . . . . . . . . . . . . . . . . 171
NSF and DHCP Snooping . . . . . . . . . . . . . . 172
NSF and the Storage Access Network . . . . . . . 173
NSF and Routed Access . . . . . . . . . . . . . . 175
10 Configuring Authentication,
Authorization, and Accounting . . . . . . . 177
AAA Overview . . . . . . . . . . . . . . . . . . . . . . 177
Methods . . . . . . . . . . . . . . . . . . . . . . 178
Access Lines . . . . . . . . . . . . . . . . . . . . 179

12 Contents
Authentication . . . . . . . . . . . . . . . . . . . . . 179
Authorization . . . . . . . . . . . . . . . . . . . . . . 180
Exec Authorization Capabilities. . . . . . . . . . 181
Accounting . . . . . . . . . . . . . . . . . . . . . . . 182
Authentication Examples . . . . . . . . . . . . . . . 183
Local Authentication Example . . . . . . . . . . 183
TACACS+ Authentication Example . . . . . . . . 184
RADIUS Authentication Example . . . . . . . . . 186
Authorization Examples . . . . . . . . . . . . . . . . 187
Local Authorization Example—Direct Login
to Privileged EXEC Mode . . . . . . . . . . . . . 187
TACACS+ Authorization Example—Direct
Login to Privileged EXEC Mode . . . . . . . . . . 187
TACACS+ Authorization Example—
Administrative Profiles . . . . . . . . . . . . . . 188
TACACS+ Authorization Example—Custom
Administrative Profile . . . . . . . . . . . . . . . 189
TACACS+ Authorization Example—
Per-command Authorization . . . . . . . . . . . 190
RADIUS Authorization Example—Direct Login
to Privileged EXEC Mode. . . . . . . . . . . . . 191
RADIUS Authorization Example—
Administrative Profiles . . . . . . . . . . . . . . 191
Using RADIUS Servers to Control Management
Access . . . . . . . . . . . . . . . . . . . . . . . . . 192
How Does RADIUS Control Management
Access? . . . . . . . . . . . . . . . . . . . . . . 192
Which RADIUS Attributes Does the Switch
Support?. . . . . . . . . . . . . . . . . . . . . . 194
How Are RADIUS Attributes Processed on
the Switch? . . . . . . . . . . . . . . . . . . . . 196

Contents 13
Using TACACS+ Servers to Control Management
Access . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Which TACACS+ Attributes Does the Switch
Support? . . . . . . . . . . . . . . . . . . . . . . 198
Default Configurations. . . . . . . . . . . . . . . . . . 199
Method Lists . . . . . . . . . . . . . . . . . . . . 199
Access Lines (AAA) . . . . . . . . . . . . . . . . 199
Access Lines (Non-AAA) . . . . . . . . . . . . . . 200
Administrative Profiles . . . . . . . . . . . . . . . 200
11 Monitoring and Logging System
Information . . . . . . . . . . . . . . . . . . . . . . 203
System Monitoring Overview . . . . . . . . . . . . . . 203
What System Information Is Monitored?. . . . . . 203
Why Is System Information Needed? . . . . . . . 204
Where Are Log Messages Sent? . . . . . . . . . . 204
What Are the Severity Levels? . . . . . . . . . . . 205
What Are the System Startup and Operation
Logs? . . . . . . . . . . . . . . . . . . . . . . . . 205
What Is the Log Message Format? . . . . . . . . . 206
What Factors Should Be Considered When
Configuring Logging? . . . . . . . . . . . . . . . . 207
Default Log Settings . . . . . . . . . . . . . . . . . . . 207
Monitoring System Information and Configuring
Logging (Web) . . . . . . . . . . . . . . . . . . . . . . 208
Device Information . . . . . . . . . . . . . . . . . 208
System Health . . . . . . . . . . . . . . . . . . . 209
System Resources . . . . . . . . . . . . . . . . . 210
Integrated Cable Test for Copper Cables. . . . . . 211
Optical Transceiver Diagnostics . . . . . . . . . . 212
Log Global Settings . . . . . . . . . . . . . . . . . 214

14 Contents
RAM Log . . . . . . . . . . . . . . . . . . . . . 215
Log File . . . . . . . . . . . . . . . . . . . . . . 216
Remote Log Server . . . . . . . . . . . . . . . . 216
Email Alert Global Configuration . . . . . . . . . 219
Email Alert Mail Server Configuration . . . . . . 220
Email Alert Subject Configuration . . . . . . . . 222
Email Alert To Address Configuration. . . . . . . 223
Email Alert Statistics . . . . . . . . . . . . . . . 224
Monitoring System Information and Configuring
Logging (CLI) . . . . . . . . . . . . . . . . . . . . . . 225
Viewing System Information . . . . . . . . . . . 225
Running Cable Diagnostics . . . . . . . . . . . . 225
Configuring Local Logging . . . . . . . . . . . . 226
Configuring Remote Logging . . . . . . . . . . . 228
Configuring Mail Server Settings . . . . . . . . . 229
Configuring Email Alerts for Log Messages . . . 230
Logging Configuration Examples . . . . . . . . . . . 232
Configuring Local and Remote Logging . . . . . 232
Configuring Email Alerting . . . . . . . . . . . . 233
12 Managing General System Settings . . . 237
System Settings Overview . . . . . . . . . . . . . . . 237
Why Does System Information Need to
Be Configured? . . . . . . . . . . . . . . . . . . 238
What Are SDM Templates? . . . . . . . . . . . . 239
Why is the System Time Needed? . . . . . . . . 240
How Does SNTP Work?. . . . . . . . . . . . . . 240
Default General System Information . . . . . . . . . 240
Configuring General System Settings (Web) . . . . . 241
System Information . . . . . . . . . . . . . . . . 241

Contents 15
CLI Banner . . . . . . . . . . . . . . . . . . . . . 244
SDM Template Preference . . . . . . . . . . . . . 245
Clock . . . . . . . . . . . . . . . . . . . . . . . . 246
SNTP Global Settings . . . . . . . . . . . . . . . . 247
SNTP Authentication . . . . . . . . . . . . . . . . 248
SNTP Server . . . . . . . . . . . . . . . . . . . . 250
Summer Time Configuration . . . . . . . . . . . . 254
Time Zone Configuration . . . . . . . . . . . . . . 255
Slot Summary . . . . . . . . . . . . . . . . . . . . 256
Supported Cards . . . . . . . . . . . . . . . . . . 257
Configuring System Settings (CLI). . . . . . . . . . . . 258
Configuring System Information . . . . . . . . . . 258
Configuring the Banner. . . . . . . . . . . . . . . 259
Managing the SDM Template . . . . . . . . . . . 260
Configuring SNTP Authentication and an
SNTP Server . . . . . . . . . . . . . . . . . . . . 260
Setting the System Time and Date Manually. . . . 262
Viewing Slot Information . . . . . . . . . . . . . . 263
General System Settings Configuration Examples . . . 264
Configuring System and Banner Information . . . 264
Configuring SNTP. . . . . . . . . . . . . . . . . . 267
Configuring the Time Manually . . . . . . . . . . . 269
13 Configuring SNMP . . . . . . . . . . . . . . . . . 271
SNMP Overview . . . . . . . . . . . . . . . . . . . . . 271
What Is SNMP?. . . . . . . . . . . . . . . . . . . 271
What Are SNMP Traps? . . . . . . . . . . . . . . 272
Why Is SNMP Needed? . . . . . . . . . . . . . . 273

16 Contents
Default SNMP Values . . . . . . . . . . . . . . . . . 273
Configuring SNMP (Web) . . . . . . . . . . . . . . . 275
SNMP Global Parameters . . . . . . . . . . . . 275
SNMP View Settings . . . . . . . . . . . . . . . 276
Access Control Group . . . . . . . . . . . . . . 278
SNMPv3 User Security Model (USM) . . . . . . 280
Communities . . . . . . . . . . . . . . . . . . . 283
Notification Filter . . . . . . . . . . . . . . . . . 285
Notification Recipients . . . . . . . . . . . . . . 286
Trap Flags . . . . . . . . . . . . . . . . . . . . . 289
OSPFv2 Trap Flags . . . . . . . . . . . . . . . . 290
OSPFv3 Trap Flags . . . . . . . . . . . . . . . . 291
Trap Log . . . . . . . . . . . . . . . . . . . . . . 292
Configuring SNMP (CLI) . . . . . . . . . . . . . . . . 293
Configuring the SNMPv3 Engine ID. . . . . . . . 293
Configuring SNMP Views, Groups, and
Users . . . . . . . . . . . . . . . . . . . . . . . 294
Configuring Communities . . . . . . . . . . . . . 297
Configuring SNMP Notifications (Traps
and Informs). . . . . . . . . . . . . . . . . . . . 299
SNMP Configuration Examples . . . . . . . . . . . . 302
Configuring SNMPv1 and SNMPv2 . . . . . . . . 302
Configuring SNMPv3 . . . . . . . . . . . . . . . 303
14 Managing Images and Files. . . . . . . . . . 307
Image and File Management Overview . . . . . . . . 307
What Files Can Be Managed? . . . . . . . . . . 307
Why Is File Management Needed?. . . . . . . . 309
What Methods Are Supported for File
Management?. . . . . . . . . . . . . . . . . . . 311

Contents 17
What Factors Should Be Considered When
Managing Files? . . . . . . . . . . . . . . . . . . 311
How Is the Running Configuration Saved? . . . . . 313
Managing Images and Files (Web) . . . . . . . . . . . 314
File System . . . . . . . . . . . . . . . . . . . . . 314
Active Images . . . . . . . . . . . . . . . . . . . 315
USB Flash Drive. . . . . . . . . . . . . . . . . . . 316
File Download. . . . . . . . . . . . . . . . . . . . 317
File Upload . . . . . . . . . . . . . . . . . . . . . 319
Copy Files . . . . . . . . . . . . . . . . . . . . . . 321
Managing Images and Files (CLI) . . . . . . . . . . . . 322
Downloading and Activating a New
Image (TFTP) . . . . . . . . . . . . . . . . . . . . 322
Managing Files in Internal Flash . . . . . . . . . . 323
Managing Files on a USB Flash Device
(PowerConnect 8100-series switches only) . . . . 324
Uploading a Configuration File (SCP). . . . . . . . 324
Managing Configuration Scripts (SFTP) . . . . . . 325
File and Image Management Configuration
Examples . . . . . . . . . . . . . . . . . . . . . . . . . 326
Upgrading the Firmware . . . . . . . . . . . . . . 326
Managing Configuration Scripts . . . . . . . . . . 329
Managing Files by Using the USB Flash Drive
(PowerConnect 8100-series switches only) . . . . 331
15 Automatically Updating the Image
and Configuration . . . . . . . . . . . . . . . . . 333
Auto Configuration Overview . . . . . . . . . . . . . . 333
What Is USB Auto Configuration? . . . . . . . . . 334
What Files Does USB Auto Configuration
Use?. . . . . . . . . . . . . . . . . . . . . . . . . 334

18 Contents
What Is the DHCP Auto Configuration
Process? . . . . . . . . . . . . . . . . . . . . . 335
Monitoring and Completing the DHCP
Auto Configuration Process . . . . . . . . . . . 339
What Are the Dependencies for DHCP
Auto Configuration?. . . . . . . . . . . . . . . . 340
Default Auto Configuration Values . . . . . . . . . . 341
Managing Auto Configuration (Web) . . . . . . . . . 342
Auto-Install Configuration . . . . . . . . . . . . 342
Managing Auto Configuration (CLI) . . . . . . . . . . 343
Managing Auto Configuration . . . . . . . . . . 343
Auto Configuration Example . . . . . . . . . . . . . . 344
Enabling DHCP Auto Configuration and Auto
Image Download . . . . . . . . . . . . . . . . . 344
16 Monitoring Switch Traffic . . . . . . . . . . . 347
Traffic Monitoring Overview. . . . . . . . . . . . . . 347
What is sFlow Technology? . . . . . . . . . . . . 347
What is RMON? . . . . . . . . . . . . . . . . . . 350
What is Port Mirroring?. . . . . . . . . . . . . . 351
Why is Traffic Monitoring Needed? . . . . . . . 352
Default Traffic Monitoring Values . . . . . . . . . . . 352
Monitoring Switch Traffic (Web) . . . . . . . . . . . 353
sFlow Agent Summary . . . . . . . . . . . . . . 353
sFlow Receiver Configuration . . . . . . . . . . 354
sFlow Sampler Configuration . . . . . . . . . . . 355
sFlow Poll Configuration . . . . . . . . . . . . . 356
Interface Statistics . . . . . . . . . . . . . . . . 357
Etherlike Statistics . . . . . . . . . . . . . . . . 358

Contents 19
GVRP Statistics . . . . . . . . . . . . . . . . . . . 359
EAP Statistics. . . . . . . . . . . . . . . . . . . . 360
Utilization Summary . . . . . . . . . . . . . . . . 361
Counter Summary. . . . . . . . . . . . . . . . . . 362
Switchport Statistics . . . . . . . . . . . . . . . . 363
RMON Statistics . . . . . . . . . . . . . . . . . . 364
RMON History Control Statistics . . . . . . . . . . 365
RMON History Table . . . . . . . . . . . . . . . . 367
RMON Event Control . . . . . . . . . . . . . . . . 368
RMON Event Log . . . . . . . . . . . . . . . . . . 370
RMON Alarms . . . . . . . . . . . . . . . . . . . 371
Port Statistics. . . . . . . . . . . . . . . . . . . . 373
LAG Statistics. . . . . . . . . . . . . . . . . . . . 374
Port Mirroring. . . . . . . . . . . . . . . . . . . . 375
Monitoring Switch Traffic (CLI) . . . . . . . . . . . . . 378
Configuring sFlow. . . . . . . . . . . . . . . . . . 378
Configuring RMON . . . . . . . . . . . . . . . . . 380
Viewing Statistics. . . . . . . . . . . . . . . . . . 382
Configuring Port Mirroring . . . . . . . . . . . . . 383
Traffic Monitoring Configuration Examples. . . . . . . 384
Configuring sFlow. . . . . . . . . . . . . . . . . . 384
Configuring RMON . . . . . . . . . . . . . . . . . 386
17 Configuring iSCSI Optimization . . . . . . . 387
iSCSI Optimization Overview . . . . . . . . . . . . . . 387
What Does iSCSI Optimization Do?. . . . . . . . . 388
How Does the Switch Detect iSCSI Traffic
Flows?. . . . . . . . . . . . . . . . . . . . . . . . 388
How Is Quality of Service Applied to iSCSI
Traffic Flows? . . . . . . . . . . . . . . . . . . . . 388
How Does iSCSI Optimization Use ACLs? . . . . . 389

20 Contents
What Information Does the Switch Track in
iSCSI Traffic Flows?. . . . . . . . . . . . . . . . 389
How Does iSCSI Optimization Interact With
Dell EqualLogic Arrays?. . . . . . . . . . . . . . 390
What Occurs When iSCSI Optimization Is
Enabled or Disabled? . . . . . . . . . . . . . . . 390
How Does iSCSI Optimization Interact with
DCBx? . . . . . . . . . . . . . . . . . . . . . . . 391
How Does iSCSI Optimization Interact with
Dell Compellent Arrays? . . . . . . . . . . . . . 391
Default iSCSI Optimization Values. . . . . . . . . . . 392
Configuring iSCSI Optimization (Web). . . . . . . . . 393
iSCSI Global Configuration . . . . . . . . . . . . 393
iSCSI Targets Table . . . . . . . . . . . . . . . . 394
iSCSI Sessions Table . . . . . . . . . . . . . . . 395
iSCSI Sessions Detailed . . . . . . . . . . . . . 396
Configuring iSCSI Optimization (CLI) . . . . . . . . . 397
iSCSI Optimization Configuration Examples . . . . . 399
Configuring iSCSI Optimization Between
Servers and a Disk Array . . . . . . . . . . . . . 399
18 Configuring a Captive Portal . . . . . . . . . 401
Captive Portal Overview . . . . . . . . . . . . . . . . 401
What Does a Captive Portal Do? . . . . . . . . . 401
Is the Captive Portal Feature Dependent on
Any Other Feature? . . . . . . . . . . . . . . . . 402
What Factors Should Be Considered When
Designing and Configuring a Captive Portal?. . . 403
How Does Captive Portal Work? . . . . . . . . . 404
What Captive Portal Pages Can Be
Customized?. . . . . . . . . . . . . . . . . . . . 405